CN115075123B - Self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to urban highway and construction method thereof - Google Patents
Self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to urban highway and construction method thereof Download PDFInfo
- Publication number
- CN115075123B CN115075123B CN202210830548.3A CN202210830548A CN115075123B CN 115075123 B CN115075123 B CN 115075123B CN 202210830548 A CN202210830548 A CN 202210830548A CN 115075123 B CN115075123 B CN 115075123B
- Authority
- CN
- China
- Prior art keywords
- collision
- hexagonal
- sleeve
- outer sleeve
- friction energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention relates to a self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to an urban highway and a construction method thereof, which are characterized in that: the self-rotation anti-collision energy dissipation type steel pipe concrete pier facing the urban highway comprises a sleeve stretching device 1 and a rotation friction energy dissipation device 2, wherein the sleeve stretching device 1 comprises an inner sleeve 1-1 and an outer sleeve 1-2, threads 1-3 which are mutually screwed are arranged on the periphery of the bottom of the inner sleeve 1-1 and the periphery of the top of the outer sleeve 1-2, a pull pipe 1-4 which is vertically connected with the inner sleeve is arranged on the periphery of the top of the inner sleeve 1-1, and the bottom of the outer sleeve 1-2 is fixed with a pier bearing platform reinforcement cage; the invention can realize quick assembly during construction by arranging the inner sleeve and the outer sleeve of the rectangular screw threads, solves the problem of difficult assembly and positioning of large-scale members, and simultaneously, the inner sleeve and the outer sleeve can be used as construction templates of concrete, thereby being more quick, economical and stable than the traditional wood templates.
Description
Technical Field
The invention particularly relates to a self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to an urban highway and a construction method thereof.
Background
With urban development and population centralization, the number of pedestrians and driving vehicles in a central city is increased, so that challenges are brought to urban traffic, urban road congestion and traffic accidents are frequent, and urban traffic needs to build more traffic roads (such as overhead bridges) to relieve traffic pressure, so that convenience in construction and protection design of bridge piers are more and more emphasized.
The existing pier design mainly uses reinforced concrete, and has the obvious problems of complicated installation in the construction process, longer construction period, higher construction cost and the like; the pier protection design is mainly based on an attached type anti-collision device, the size of a member is thickened at the bottom of the pier to achieve the protection purpose, when a vehicle collides with the bottom of the pier, the thickness of the anti-collision device is limited, the contact time is short, the deformation of materials is small, the energy cannot be effectively dissipated, the pier still receives larger impact force, and the impacted vehicle is severely worn.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the invention aims to provide a self-rotation anti-collision energy-dissipation type steel pipe concrete pier for an urban highway and a construction method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention discloses a self-rotation anti-collision energy-dissipation type concrete filled steel tube pier for urban highways, which is characterized in that: comprises a sleeve stretching device and a self-resetting rotary friction energy dissipation device,
the sleeve stretching device comprises an inner sleeve and an outer sleeve, threads which are in threaded connection with each other are arranged on the periphery of the bottom of the inner sleeve and the periphery of the top of the outer sleeve, a pulling pipe which is vertically connected with the inner sleeve is arranged on the periphery of the top of the inner sleeve, and the bottom of the outer sleeve is fixed with a pier bearing platform reinforcement cage;
the self-resetting rotation friction energy dissipation device comprises a hexagonal top plate, a hexagonal bottom plate, a side hexagonal anti-collision plate, an annular cylindrical pipe, a limiting circular ring, a friction energy dissipation cylindrical pipe and three impact resistant top plates; the limiting ring and the friction energy consumption cylindrical pipe are welded and fixed with the lower part of the outer sleeve, the limiting ring is positioned above the friction energy consumption cylindrical pipe, and the hexagonal top plate, the hexagonal bottom plate, the side hexagonal anti-collision plate, the annular cylindrical pipe and the three impact resistant top plates are fixed into a whole;
the annular cylinder pipe is sleeved on the periphery of the friction energy consumption cylinder pipe and can rotate relatively, three impact resistant top plates are fixedly arranged on the periphery of the friction energy consumption cylinder pipe in a circumferential array mode, the outer ends of the three impact resistant top plates are respectively welded and fixed with the inner peripheral wall of the side hexagonal anti-collision plate, the upper end and the lower end of the side hexagonal anti-collision plate grow out of the upper end and the lower end of the friction energy consumption cylinder pipe, the upper end and the lower end of the side hexagonal anti-collision plate are respectively welded and fixed with a hexagonal top plate and a hexagonal bottom plate, and through holes used for penetrating the friction energy consumption cylinder pipe and the outer sleeve are formed in the middle of the hexagonal top plate and the hexagonal bottom plate.
Further, the extension springs arranged in the three groups of circumferential arrays are arranged between the inner circumferential wall of the side hexagonal anti-collision plate and the outer circumference of the limiting ring so as to realize resetting, and the extension springs and the anti-collision top plate are arranged in a staggered manner on the circumference.
Further, the hexagonal top plate, the hexagonal bottom plate, the side hexagonal anti-collision plate, the annular cylindrical pipe, the limiting circular ring and the friction energy consumption cylindrical pipe are prefabricated into a symmetrical half-body structure by an assembly type processing plant, and are welded and spliced into a whole by a construction site.
Further, convex ribs arranged in the vertical or circumferential direction are densely distributed on the outer circumferential surface of the friction energy consumption cylindrical pipe.
Further, the three impact-resistant top plates are shorter than the annular cylindrical tube in height direction, and the annular cylindrical tube is longer than the friction energy-dissipation cylindrical tube in height direction.
The invention discloses a construction method of a self-rotation anti-collision energy-dissipation type concrete filled steel tube pier for an urban highway, which is characterized by comprising the following steps of:
during construction, 1) conveying the sleeve stretching device to a pier column measuring and lofting position; 2) The pulling pipe is hooked by a crane, the inner sleeve is lifted upwards, and meanwhile, the pipe body of the inner sleeve is rotated to enable the lower end of the inner sleeve to be in threaded connection with the upper end of the outer sleeve so as to achieve temporary fixation; 3) The bottom of an outer sleeve of the sleeve stretching device is fixed with a pier bearing platform reinforcement cage through spot welding; 4) The concrete pump truck is utilized, and pouring is carried out sequentially from bottom to top in the outer sleeve and the inner sleeve, so that the sleeve stretching device 1 and the bottom bearing platform form a whole; 5) Welding and splicing the two hexagonal bottom plate halves by taking the outer sleeve as the center; 6) Welding and splicing two limit ring halves prefabricated in a factory and a friction energy consumption cylinder tube by taking an outer sleeve as a center, and fixing the two limit ring halves and the friction energy consumption cylinder tube with the outer sleeve in a welding mode; 7) The prefabricated two side hexagonal anti-collision plate halves and two annular cylinder tube halves are welded and spliced by taking the outer sleeve as the center, and the lower ends of the side hexagonal anti-collision plates, the annular cylinder tubes and the hexagonal bottom plate are welded and fixed; 8) The three impact-resistant top plates are used for connecting the side hexagonal anti-collision plates with the annular cylinder pipe through welding; 9) The stretching spring connects the side hexagonal anti-collision plate with the limiting circular ring through the hook; 10 The two hexagonal top plate halves are welded and spliced by taking the outer sleeve as the center and are connected and fixed with the upper ends of the side hexagonal anti-collision plates.
The inner sleeve and the outer sleeve of the rectangular threads are arranged, so that rapid assembly during construction can be realized, the problem of difficult assembly and positioning of large-scale members is solved, and meanwhile, the inner sleeve and the outer sleeve can be used as construction templates of concrete and are more rapid, economical and stable than the traditional wood templates; when a vehicle collides with the pier, the self-resetting rotary friction energy dissipation device 2 converts impact energy into rotary energy, achieves multi-stage dissipation of energy, guides the movement direction of the vehicle after collision, reduces collision loss of the vehicle and the pier, and the side hexagonal anti-collision plate can resist possible vehicle collision in all directions, converts the impact energy into rotary energy through the three anti-collision top plates, so that the annular cylindrical pipe is driven to rotate relative to the friction energy dissipation cylindrical pipe; the annular cylindrical pipe can dissipate impact energy through friction with the friction energy dissipation cylindrical pipe; the limiting ring can pull the side hexagon anti-collision plate through three extension springs to assist in absorbing a part of rotation energy, and the rotation device is restored after the impact energy dissipation is finished, so that self-reset is achieved.
In addition, the structure can effectively shorten the dimension of the member along the length direction, is convenient for vehicle transportation, saves construction template consumables, is beneficial to constraining core concrete and isolating the core concrete from external contact, and can be made of steel (such as stainless steel) with excellent performance; each part is a factory prefabricated part, and has high processing precision, convenient construction and good quality; the sleeve stretching device can realize convenient construction of the pier main body, solves the problems of difficult assembly and positioning of large-scale components, high formwork supporting cost and the like, effectively reduces construction period and saves construction cost; the self-resetting rotary friction energy dissipation device can prolong the contact time of the vehicle and the bridge pier, guide the movement direction of the vehicle after collision, realize multistage dissipation of impact energy dissipation, reduce the collision loss of the vehicle and the bridge pier and realize self-resetting of the device.
Drawings
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 isbase:Sub>A schematic view of the A-A cross-sectional configuration of the present invention;
FIG. 4 is a schematic view of a B-B cross-sectional configuration of the present invention;
FIG. 5 is an exploded view of the self-resetting rotational friction energy dissipation device of the present invention;
FIG. 6 is a detail view of the thread of the sleeve stretching device of the present invention;
in the figure, 1 is a rotating device, 2 is a self-resetting rotating friction energy consumption device, 1-1 is an inner sleeve, 1-2 is an outer sleeve, 1-3 is a rectangular thread, 1-4 is a pull tube, 2-1 is a hexagonal top plate, 2-2 is a hexagonal bottom plate, 2-3 is a side hexagonal anti-collision plate, 2-4 is an annular cylindrical tube, 2-5 is a limit ring, 2-6 is a friction energy consumption cylindrical tube, 2-7 is an impact resistant top plate, and 2-8 is a tension spring.
Description of the embodiments
The invention will be further described with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
The invention discloses a self-rotating anti-collision energy dissipation type steel pipe concrete pier facing an urban highway, which comprises a sleeve stretching device 1 and a self-resetting rotating friction energy dissipation device 2, wherein the bottom surface of the self-resetting rotating friction energy dissipation device 2 is level with a pavement.
The sleeve stretching device 1 comprises an inner sleeve 1-1 and an outer sleeve 1-2, the inner sleeve 1-1 and the outer sleeve 1-2 can be stainless steel pipes or galvanized pipes and the like, threads 1-3 which are mutually screwed are arranged on the outer periphery of the bottom of the inner sleeve 1-1 and the outer periphery of the top of the outer sleeve 1-2, the threads can be rectangular threads, a pulling pipe 1-4 which is vertically connected with the inner sleeve is arranged on the inner periphery of the top of the inner sleeve 1-1, the diameter of the pulling pipe 1-4 is about one third of the diameter of the inner sleeve, the pulling pipe can be hooked through a lifting hook of a crane, so that the device can be conveniently lifted, and the bottom of the outer sleeve 1-2 can be welded and fixed with a pier bearing platform reinforcement cage.
The self-resetting rotation friction energy dissipation device 2 comprises a hexagonal top plate 2-1, a hexagonal bottom plate 2-2, a side hexagonal anti-collision plate 2-3, an annular cylindrical tube 2-4, a limiting circular ring 2-5, a friction energy dissipation cylindrical tube 2-6 and three impact resistant top plates 2-7; the hexagonal top plate 2-1 and the hexagonal bottom plate 2-2 are regular hexagonal plate bodies, and a through hole is formed in the middle of each hexagonal top plate and is used for penetrating through the friction energy dissipation cylindrical pipe 2-6 and the outer sleeve 1-2; the side hexagonal anti-collision plate 2-3 is a regular hexagonal cylindrical pipe.
The inner periphery of the limiting circular ring 2-5 and the friction energy consumption cylindrical pipe 2-6 are welded and fixed with the lower periphery of the outer sleeve 1-2, the limiting circular ring 2-5 is positioned above the friction energy consumption cylindrical pipe 2-6, the limiting circular ring 2-5 is a flat circular ring, the friction energy consumption cylindrical pipe 2-6 is cylindrical, the outer periphery of the friction energy consumption cylindrical pipe 2-6 is densely provided with convex ribs which are arranged vertically or circumferentially, and the convex ribs can be formed by extrusion through a smooth cylindrical pipe, namely, a continuous concave-convex peripheral wall is formed on the cylindrical pipe.
The annular cylinder tube 2-4 is sleeved on the periphery of the friction energy consumption cylinder tube 2-6, the friction energy consumption cylinder tube 2-6 and the friction energy consumption cylinder tube can rotate relatively, three impact resistant top plates 2-7 are fixedly arranged on the periphery of the friction energy consumption cylinder tube 2-6 in a circumferential array, the outer ends of the three impact resistant top plates 2-7 are respectively welded and fixed with the inner peripheral wall of the side hexagonal anti-collision plate 2-3, the upper end and the lower end of the side hexagonal anti-collision plate 2-3 grow out of the upper end and the lower end of the friction energy consumption cylinder tube 2-6, so that the upper end and the lower end of the side hexagonal anti-collision plate 2-3 are respectively welded and fixed with a hexagonal top plate 2-1 and a hexagonal bottom plate 2-2, and the hexagonal top plate 2-2, the side hexagonal anti-collision plate 2-3, the annular cylinder tube 2-4 and the three impact resistant top plates 2-7 are fixed to form an integral rotating cylinder; the integral rotating cylinder and the outer periphery of the friction energy consumption cylindrical pipe 2-6 can rotate relatively.
Three groups of extension springs 2-8 which are arranged in a circumferential array are arranged between the inner peripheral wall of the side hexagonal anti-collision plate 2-3 and the outer periphery of the limiting circular ring 2-5, the extension springs 2-8 and the impact-resistant top plate 2-7 are arranged in a staggered manner on the circumference, and the rotating cylinder which is impacted to rotate can be recovered through the extension springs 2-8.
In order to facilitate field assembly, the hexagonal top plate 2-1, the hexagonal bottom plate 2-2, the side hexagonal anti-collision plate 2-3, the annular cylindrical tube 2-4, the limiting ring 2-5 and the friction energy consumption cylindrical tube 2-6 are prefabricated into symmetrical half structures by an assembly type processing factory, and are welded and spliced into a whole on a construction site.
The three impact-resistant top plates 2-7 are shorter than the annular cylindrical tube 2-4 in height direction, the three impact-resistant top plates 2-7 can be welded at the centering position of the annular cylindrical tube 2-4 in height direction, and the annular cylindrical tube 2-4 is longer than the friction energy-consuming cylindrical tube 2-6 in height.
The invention discloses a construction method of a self-rotation anti-collision energy-dissipation type concrete filled steel tube pier for an urban highway, which is characterized by comprising the following steps of:
during construction, 1) conveying the sleeve stretching device 1 to a pier column measuring and lofting position; 2) The pulling pipe 1-4 is hooked by a crane, the inner sleeve 1-1 is lifted upwards, and meanwhile, the pipe body of the inner sleeve 1-1 is rotated to enable the lower end of the inner sleeve 1-1 to be in threaded connection with the upper end of the outer sleeve 1-2, so that temporary fixation is achieved; 3) The bottom of an outer sleeve 1-2 of the sleeve stretching device 1 is fixed with a pier bearing platform reinforcement cage through spot welding; 4) The concrete pump truck is utilized, and the sleeve stretching device 1 and the bottom bearing platform are ensured to form a whole body by pouring sequentially from bottom to top in the outer sleeve 1-2 and the inner sleeve 1-1; 5) Welding and splicing the two hexagonal bottom plate 2-2 halves by taking the outer sleeve 1-2 as the center; 6) Welding and splicing two half bodies of a limit circular ring 2-5 and a friction energy consumption cylinder tube 2-6 which are prefabricated in a factory by taking the outer sleeve 1-2 as the center, and fixing the half bodies with the outer sleeve 1-2 in a welding manner; 7) The prefabricated two side hexagonal anti-collision plate 2-3 halves and two annular cylinder tube 2-4 halves are welded and spliced by taking the outer sleeve 1-2 as the center, and the lower end of the side hexagonal anti-collision plate 2-3 and the annular cylinder tube 2-4 are welded and fixed with the hexagonal bottom plate 2-2; 8) The three impact-resistant top plates 2-7 are used for connecting the side hexagonal anti-collision plates 2-3 with the annular cylinder pipe 2-4 through welding; 9) The extension spring 2-8 connects the side hexagonal anti-collision plate 2-3 with the limit circular ring 2-5 through a hook; 10 The two hexagonal top plate 2-1 halves are welded and spliced by taking the outer sleeve 1-2 as the center, and are connected and fixed with the upper ends of the side hexagonal anti-collision plates 2-3.
The inner sleeve and the outer sleeve of the rectangular threads are arranged, so that rapid assembly during construction can be realized, the problem of difficult assembly and positioning of large-scale members is solved, and meanwhile, the inner sleeve and the outer sleeve can be used as construction templates of concrete and are more rapid, economical and stable than the traditional wood templates; when a vehicle collides with the pier, the self-resetting rotary friction energy dissipation device 2 converts impact energy into rotary energy, achieves multi-stage dissipation of energy, guides the movement direction of the vehicle after collision, reduces collision loss of the vehicle and the pier, and the side hexagonal anti-collision plate can resist possible vehicle collision in all directions, converts the impact energy into rotary energy through the three anti-collision top plates, so that the annular cylindrical pipe is driven to rotate relative to the friction energy dissipation cylindrical pipe; the annular cylindrical pipe can dissipate impact energy through friction with the friction energy dissipation cylindrical pipe; the limiting ring can pull the side hexagon anti-collision plate through three extension springs to assist in absorbing a part of rotation energy, and the rotation device is restored after the impact energy dissipation is finished, so that self-reset is achieved.
In addition, the structure can effectively shorten the dimension of the member along the length direction, is convenient for vehicle transportation, saves construction template consumables, is beneficial to constraining core concrete and isolating the core concrete from external contact, and can be made of steel (such as stainless steel) with excellent performance; each part is a factory prefabricated part, and has high processing precision, convenient construction and good quality; the sleeve stretching device can realize convenient construction of the pier main body, solves the problems of difficult assembly and positioning of large-scale components, high formwork supporting cost and the like, effectively reduces construction period and saves construction cost; the self-resetting rotary friction energy dissipation device can prolong the contact time of the vehicle and the bridge pier, guide the movement direction of the vehicle after collision, realize multistage dissipation of impact energy dissipation, reduce the collision loss of the vehicle and the bridge pier and realize self-resetting of the device.
Claims (6)
1. The utility model provides a self-rotation anticollision power dissipation formula steel pipe concrete pier towards city highway which characterized in that: comprises a sleeve stretching device (1) and a self-resetting rotary friction energy dissipation device (2),
the sleeve stretching device (1) comprises an inner sleeve (1-1) and an outer sleeve (1-2), threads (1-3) which are mutually screwed are arranged on the periphery of the bottom of the inner sleeve (1-1) and the periphery of the top of the outer sleeve (1-2), a pulling pipe (1-4) which is vertically connected with the inner sleeve is arranged on the periphery of the top of the inner sleeve (1-1), and the bottom of the outer sleeve (1-2) is fixed with a pier bearing platform reinforcement cage;
the self-resetting rotary friction energy dissipation device (2) comprises a hexagonal top plate (2-1), a hexagonal bottom plate (2-2), a side hexagonal anti-collision plate (2-3), an annular cylinder tube (2-4), a limiting ring (2-5), a friction energy dissipation cylinder tube (2-6) and three anti-collision top plates (2-7); the limiting ring (2-5) and the friction energy consumption cylindrical pipe (2-6) are welded and fixed with the lower part of the outer sleeve (1-2), the limiting ring (2-5) is positioned above the friction energy consumption cylindrical pipe (2-6), and the hexagonal top plate (2-1), the hexagonal bottom plate (2-2), the side hexagonal anti-collision plate (2-3), the annular cylindrical pipe (2-4) and the three anti-collision top plates (2-7) are fixed into a whole;
the annular cylinder tube (2-4) is sleeved on the periphery of the friction energy consumption cylinder tube (2-6) and can rotate relatively, three impact resistant top plates (2-7) are fixedly arranged on the periphery of the friction energy consumption cylinder tube (2-6) in a circumferential array, the outer ends of the three impact resistant top plates (2-7) are respectively welded and fixed with the inner peripheral wall of the side hexagonal anti-collision plate (2-3), the upper end and the lower end of the side hexagonal anti-collision plate (2-3) are respectively longer than the upper end and the lower end of the friction energy consumption cylinder tube (2-6), so that the upper end and the lower end of the side hexagonal anti-collision plate (2-3) are respectively welded and fixed with a hexagonal top plate (2-1) and a hexagonal bottom plate (2-2), and through holes for penetrating the friction energy consumption cylinder tube (2-6) and the outer sleeve (1-2) are formed in the middle of the hexagonal top plate (2-1).
2. The urban highway-oriented spin anti-collision energy-consuming concrete filled steel tube pier according to claim 1, wherein: and three groups of extension springs (2-8) which are arranged in a circumferential array are arranged between the inner peripheral wall of the side hexagonal anti-collision plate (2-3) and the periphery of the limiting ring (2-5) so as to realize resetting, and the extension springs (2-8) and the anti-collision top plate (2-7) are arranged in a staggered manner on the circumference.
3. The urban highway oriented spin anti-collision energy dissipation type concrete filled steel tube pier according to claim 1 or 2, characterized in that: the novel anti-collision device is characterized in that the hexagonal top plate (2-1), the hexagonal bottom plate (2-2), the side hexagonal anti-collision plate (2-3), the annular cylindrical tube (2-4), the limiting circular ring (2-5) and the friction energy dissipation cylindrical tube (2-6) are prefabricated into symmetrical half-body structures by an assembly type processing plant, and are welded and spliced into a whole by a construction site.
4. The urban highway oriented spin anti-collision energy dissipation type concrete filled steel tube pier according to claim 1 or 2, characterized in that: the outer peripheral surface of the friction energy consumption cylindrical pipe (2-6) is densely provided with convex ribs which are arranged vertically or circumferentially.
5. The urban highway oriented spin anti-collision energy dissipation type concrete filled steel tube pier according to claim 1 or 2, characterized in that: the height direction of the three impact-resistant top plates (2-7) is shorter than the height of the annular cylindrical tube (2-4), and the height of the annular cylindrical tube (2-4) is longer than the height of the friction energy consumption cylindrical tube (2-6).
6. A construction method of the urban highway-oriented spin anti-collision energy-dissipation concrete filled steel tube pier according to any one of claims 2 to 5, which is characterized in that:
during construction, 1) conveying the sleeve stretching device (1) to a pier column measuring and lofting position; 2) The pulling pipe (1-4) is hooked through the crane, the inner sleeve (1-1) is lifted upwards, and meanwhile, the pipe body of the inner sleeve (1-1) is rotated to enable the lower end of the inner sleeve (1-1) to be in threaded connection with the upper end of the outer sleeve (1-2) so as to achieve temporary fixation; 3) The bottom of an outer sleeve (1-2) of the sleeve stretching device (1) is fixed with a pier bearing platform reinforcement cage through spot welding; 4) The concrete pump truck is utilized, and the sleeve stretching device 1 and the bottom bearing platform are ensured to form a whole body by pouring sequentially from the inside of the outer sleeve (1-2) and the inner sleeve (1-1) from bottom to top; 5) Welding and splicing the two hexagonal bottom plate (2-2) halves by taking the outer sleeve (1-2) as the center; 6) Welding and splicing two half bodies of a limit circular ring (2-5) and a friction energy consumption cylinder pipe (2-6) which are prefabricated in a factory by taking an outer sleeve (1-2) as a center, and fixing the half bodies with the outer sleeve (1-2) in a welding mode; 7) The prefabricated two side hexagonal anti-collision plate (2-3) halves and the two annular cylinder tube (2-4) halves are welded and spliced by taking the outer sleeve (1-2) as the center, and the lower ends of the side hexagonal anti-collision plates (2-3) and the annular cylinder tube (2-4) are welded and fixed with the hexagonal bottom plate (2-2); 8) The three impact-resistant top plates (2-7) are used for connecting the side hexagonal anti-collision plates (2-3) with the annular cylindrical pipe (2-4) through welding; 9) The extension spring (2-8) connects the side hexagonal anti-collision plate (2-3) with the limit circular ring (2-5) through a hook; 10 The two hexagonal top plate (2-1) halves are welded and spliced by taking the outer sleeve (1-2) as the center, and are connected and fixed with the upper ends of the side hexagonal anti-collision plates (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210830548.3A CN115075123B (en) | 2022-07-15 | 2022-07-15 | Self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to urban highway and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210830548.3A CN115075123B (en) | 2022-07-15 | 2022-07-15 | Self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to urban highway and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115075123A CN115075123A (en) | 2022-09-20 |
| CN115075123B true CN115075123B (en) | 2023-04-21 |
Family
ID=83260300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210830548.3A Active CN115075123B (en) | 2022-07-15 | 2022-07-15 | Self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to urban highway and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115075123B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696400B (en) * | 2014-01-02 | 2016-01-20 | 南京工业大学 | A kind of rotatable anti-ship collision device with wing plate consuming type |
| CN104894956B (en) * | 2015-07-01 | 2016-07-13 | 重庆交通大学 | A kind of anticollision device of pier of super large stroke |
| CN108951483B (en) * | 2018-09-25 | 2021-02-26 | 招商局重庆交通科研设计院有限公司 | Combined pier impact resistance device |
| CN111851272B (en) * | 2019-04-24 | 2021-08-13 | 古志明 | Rotatory pier buffer stop in advance |
| CN111851277A (en) * | 2020-07-20 | 2020-10-30 | 刘健 | Bridge anti-seismic support and anti-seismic bridge structure |
| CN112900247A (en) * | 2021-01-21 | 2021-06-04 | 姚华 | A public road bridge roof beam buffer for municipal bridge engineering |
-
2022
- 2022-07-15 CN CN202210830548.3A patent/CN115075123B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115075123A (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107217598A (en) | A kind of construction method for improving concrete flexural beam bridge antidumping bearing capacity | |
| CN115075123B (en) | Self-rotation anti-collision energy-dissipation type concrete filled steel tube pier oriented to urban highway and construction method thereof | |
| CN214993171U (en) | Bridge bent cap construction is with assembled sectional shelf-unit platform | |
| CN219731647U (en) | Detachable concrete guardrail structure with buffer function | |
| CN210439124U (en) | Corrugated steel pipe-rubber concrete anti-collision anti-seismic pier | |
| CN109457868B (en) | Steel pipe concrete column base joint and construction method thereof | |
| CN202170474U (en) | Support system mixing type combined beam cable-stayed bridge | |
| CN113430922B (en) | Concrete-filled steel tube pier with corrugated sleeve and resettable double-column pier and construction method thereof | |
| CN212771903U (en) | Assembled pier | |
| CN114575259A (en) | Template adjusting device | |
| CN210368765U (en) | Guardrail for road isolation | |
| CN112664235A (en) | Walking type pipe gallery formwork supporting device | |
| CN113403937A (en) | Novel assembled rotation energy consumption pier anticollision device | |
| CN217298732U (en) | Highway is reformed transform and is expanded construction with exempting from portable guardrail of anchor concrete base | |
| CN201972148U (en) | Pretensioned prestressed concrete dynamic load pile | |
| CN206655113U (en) | Lattice support post and overhead rail system for overhead rail system | |
| CN219973038U (en) | Energy-absorbing anti-collision pier | |
| CN218111125U (en) | Cast-in-place concrete well collar mould setting device | |
| CN219826101U (en) | Novel light foldable steel-wood template combined support system | |
| CN109338948A (en) | A kind of collapse type highway edge guardrail | |
| CN217998411U (en) | Two steel cylinder temporary support are used in precast beam installation | |
| CN212052495U (en) | A flexible guardrail for town road | |
| CN214168871U (en) | Inboard template strutting arrangement of anticollision barrier | |
| CN220847687U (en) | Movable assembly type highway engineering face road excavation construction protection structure | |
| CN113106891B (en) | Sign board for expressway and installation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |